Which of the following structures carries action potentials generated by sound transduction?
a) vagus nerve
b) basilar membrane
c) tympanic membrane
d) organ of Corti
e) vestibulocochlear nerve
e
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What structure attaches the ovaries and the uterus to the pelvic wall?
a) Broad ligament b) Mesovarium c) Ovarian ligament d) Suspensory ligament e) Hilum
Positive feedback mechanisms tend to enhance the original stimulus so that the response is accelerated
Indicate whether this statement is true or false?
Match each of the terms with its correct definition or description.
a. dendrite b. axon c. astrocyte d. microglia e. Schwann cell f. interneuron g. synaptic knob h. serotonin i. synaptic cleft j. enkephalins k. oligodendrocyte l. afferent neuron m. saltatory conduction n. efferent neurons o. cell body p. neurotransmitter q. nodes of Ranvier 1. _____ Part of the axon that releases neurotransmitters 2. _____ Highly branched part of the neuron that carries impulses toward the cell body 3. _____ Microbe eaters in the brain 4. _____ Connects sensory and motor neurons in a reflex arc 5. _____ Small space between the end of one axon and the next neuron 6. _____ Neurotransmitter that is a catecholamine 7. _____ Part of the neuron that conducts impulses away from the cell body 8. _____ Cells that produce myelin for cells in the peripheral nervous system 9. _____ Cells that function in the blood brain barrier 10. _____ Neurotransmitter that functions as a natural pain killer 11. _____ Main part of the neuron 12. _____ Type of nerve impulse that jumps from one node of Ranvier to the next 13. _____ Type of neuron that carries nerve impulses away from the central nervous system 14. _____ Glia cell that produces myelin for the central nervous system 15. _____ Type of neuron that carries nerve impulses toward the central nervous system 16. _____ Carries a nerve impulse across a synapse 17. _____ Indentations in between Schwann cells
Use the Nernst equation to predict the membrane potential for each ion.
What will be an ideal response?